Insomnia vs Yaak

Comparing two open source alternatives to Postman. Use the comparison below to decide which one fits your needs.

Insomnia

Apache-2.0

The open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.

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Yaak

MIT

The most intuitive desktop API client. Organize and execute REST, GraphQL, WebSockets, Server Sent Events, and gRPC 🦬

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Side-by-side comparison

	Insomnia	Yaak
License	Apache-2.0	MIT
Self-hostable	No	No
GitHub Stars	40,032	19,299
Forks	2,384	826
Open Issues	906	8
Last Commit	Oct 10, 2026	Oct 10, 2026
First Released	Apr 23, 2016	Feb 16, 2023
Categories	API Development & Testing Tools	API Development & Testing Tools
Tags	#API #rest #http client #api client	#API #rest #http client #api client

GitHub stars over time

Insomnia

Yaak19,299

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